CVE-2021-44217 json
Cross-site Scripting in Ericsson CodeChecker
published 2022-01-18 4 y ago modified 2026-07-06 4 mo ago also GHSA-fxmx-pfm2-85m2 , PYSEC-2022-43181 , PYSEC-2026-625 , EUVD-2022-0591
- cvss
- 6.1
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.6%
- EPSS 1.6% chance of exploitation in 30 days, percentile 76%
- public exploits
- 0
- none known
Summary
In Ericsson CodeChecker through 6.18.0, a Stored Cross-site scripting (XSS) vulnerability in the comments component of the reports viewer allows remote attackers to inject arbitrary web script or HTML via the POST JSON data of the /CodeCheckerService API.
Patch / fix
- pypi codechecker 6.18.2
Exploit prediction
1.65% chance of exploitation in the next 30 days, higher than 76% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/Hyperkopite/CVE-2021-44217/blob/main/README.md referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:N/I:P/A:N |
| OSV | 3.1 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| pypi | codechecker | <6.18.2 |
6.18.2 |
| pypi | codechecker-api | — | no fix listed |
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
github.com
/Ericsson/codechecker/pull/3549
web, patch, third-party-advisory
-
github.com
/Ericsson/codechecker/commit/72ee51158e6d81150320223b85410c179b9ee2b1
web
-
github.com
/Hyperkopite/CVE-2021-44217/blob/main/README.md
web, exploit, third-party-advisory, evidence
-
codechecker-demo.eastus.cloudapp.azure.com
/
permissions-required, report
-
user-images.githubusercontent.com
/9525971/142965091-e118b012-a7fc-4c2f-ad0c-80aeed6f7ec9.png
web, third-party-advisory, advisory
-
github.com
/Ericsson/codechecker/releases
web, release-notes, third-party-advisory, advisory
-
nvd.nist.gov
/vuln/detail/CVE-2021-44217
advisory
-
codechecker-demo.eastus.cloudapp.azure.com
web
-
github.com
/Ericsson/codechecker
package
-
github.com
/Ericsson/codechecker/releases/tag/v6.18.2
web
-
github.com
/pypa/advisory-database/tree/main/vulns/codechecker-api/PYSEC-2022-43181.yaml
web
-
pypi.org
/project/codechecker
package
-
github.com
/advisories/GHSA-fxmx-pfm2-85m2
advisory
Sources
- CVE List CVE-2021-44217
- GitHub Advisory GHSA-fxmx-pfm2-85m2
- NVD CVE-2021-44217
- OSV PYSEC-2026-625
- OSV PYSEC-2022-43181
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.